d1c3aaa83366f0b32ef442413993dbb611721079bb8a12d9b1990bd92fa5a0f8

General

Target
2026-07-20_e0d9fb79ebe95952fa9823911119a4f2_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260720-vcpg7sat71
SHA256 d1c3aaa83366f0b32ef442413993dbb611721079bb8a12d9b1990bd92fa5a0f8
MD5 e0d9fb79ebe95952fa9823911119a4f2
SHA1 9898b8bf132edbfdd70a0f0e2e5e1d28b3d37ab5
SHA512 35135105a8f9f76640573ff971b148ee0f06fe78c2dc4571620b7ac54a768ded0560500892f0e033f94c04a86c30895c629c74c6b2fa23731fb29e80fa54c475
SSDEEP 49152:D6fXxcxlTZP7x6e7im2kLXT25Xr+1ggb2KAbm80+3pe4bIYGjj53QcWKADIaX6AE:D6ZcntPmcTKXIM13pe4Mpjj5gc2DljgT
TLSH
T178F5330337F852F0F43959771A70E58147AFFA196AF89E17A7DC11602CA64E3C8897A3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000001b884-5.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
4080	ntRkOJRoLdzYmi5.exe
3736	CTS.exe
2092	ntRkOJRoLdzYmi5.exe
5884	CTS.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-07-20_e0d9fb79ebe95952fa9823911119a4f2_bkransomware_elex_maze_rhadamanthys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	2026-07-20_e0d9fb79ebe95952fa9823911119a4f2_bkransomware_elex_maze_rhadamanthys.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ntRkOJRoLdzYmi5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-20_e0d9fb79ebe95952fa9823911119a4f2_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ntRkOJRoLdzYmi5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4520	2026-07-20_e0d9fb79ebe95952fa9823911119a4f2_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3736	CTS.exe
Token: SeDebugPrivilege	5884	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 4080	4520	2026-07-20_e0d9fb79ebe95952fa9823911119a4f2_bkransomware_elex_maze_rhadamanthys.exe	89
PID 4520 wrote to memory of 3736	4520	2026-07-20_e0d9fb79ebe95952fa9823911119a4f2_bkransomware_elex_maze_rhadamanthys.exe	90
PID 4080 wrote to memory of 2092	4080	ntRkOJRoLdzYmi5.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-20_e0d9fb79ebe95952fa9823911119a4f2_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_e0d9fb79ebe95952fa9823911119a4f2_bkransomware_elex_maze_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Users\Admin\AppData\Local\Temp\ntRkOJRoLdzYmi5.exe
  C:\Users\Admin\AppData\Local\Temp\ntRkOJRoLdzYmi5.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Users\Admin\AppData\Local\Temp\ntRkOJRoLdzYmi5.exe
    C:\Users\Admin\AppData\Local\Temp\ntRkOJRoLdzYmi5.exe --crash-handler "--database=c:\users\admin\appdata\local\Google\Software Reporter Tool" --url=https://clients2.google.com/cr/report --annotation=plat=Win32 --annotation=prod=ChromeFoil --annotation=ver=18.102.0 --initial-client-data=0x2b0,0x2b4,0x2bc,0x2b8,0x2c0,0x8482fc,0x84830c,0x84831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2092
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3736

C:\Windows\CTS.exe
C:\Windows\CTS.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:5884

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

officeclicktorun.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml
Size 557KB
SHA256 5577f383c2ea17dce96f2e189d2947f2d4a954fd178b25615fe797acc996c256
MD5 8e0f97027c04c0faadb7f69a5d977df2
SHA1 1bfc330c07154b33f42811a54091de80e181cef5
SHA512 5876b42fc0ffb0b23d36eeabcad587f8e1b36a1e4f9f4e6367ab019e41af9584cae915fcf9233ceb397d4f1ad36b6be227cca3bb4e0dcd7ecee4c60b9bb75173
SSDEEP 12288:hS0FfB+UZZ0SGtEQjYWkpDVI3KnbMEsbzdLKYDmWa:DF/COpJI6nwEqzpKYq
TLSH
T172C412037AD64172E8B7073504A1CEB04BAF7EB60FB48D5372D0258E56785C1CE78A9B
MD5 SHA1 SHA512 SSDEEP TLSH

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ntRkOJRoLdzYmi5.exe

Path C:\Users\Admin\AppData\Local\Temp\ntRkOJRoLdzYmi5.exe
Size 3.1MB
SHA256 b9e001c5ef4845c2c0ce7a1ce134c774a7cd011af31dfbe2a13a96da2f68570e
MD5 a20245af2627cc9d55fbb3a1c682a334
SHA1 2ddbd81a16c18a7d5099f171473439bf84210a16
SHA512 f2a1d8e559dcd3016c3ad67c3c74e88ec62adc5a36ebf16df46f13d60627a9fc3b57dc9746f4551284d1c7eb79b364e76db7e539bfb8a9c20e1828f80bff9d1b
SSDEEP 24576:9yn2D7bFEc7r34rgxlqxjHHTVKIAF3XwVTTIUpWVH1kknPrMkkkskkkkkRkkkkkX:Ug7bV4UxExTTo6TkUEmT5xxvRCI5D
TLSH
T1DFE55C13BEC04032EAB70670B87BBB51557A7E209F1364CF7AC8362E1C716D1AA72756
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
TLSH
T119636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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settings.dat

Path \??\c:\users\admin\appdata\local\Google\Software Reporter Tool\settings.dat
Size 40B
SHA256 a7474c36fcba41f40a9a20fa064c79a58967f154ced1655b4773659fff78f8f6
MD5 51450cf3bbf9ba8d47f6345ecffe3ea9
SHA1 7e7c3d6dac7ddb64e563a80e5db7ef12d928e337
SHA512 73c19f45f22436f169fb53c7b5d523f870168c37a74ac6d1cc28438bf79f14b8d6933fbfeda9050159a2867249a23cf8cb7a128aac60adfd1b963b770239dee4
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads